Home / 702,138.24-968,946.78-379,847.40

Finding the Fourth Proportional to 702,138.24, 968,946.78 and 379,847.40

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Solution

The fourth proportional to 702,138.24, 968,946.78 and 379,847.40 is: 524,187.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,138.24 : 968,946.78 = 379,847.40 : x
  2. Step 2: Convert to fraction form
    702,138.24/968,946.78 = 379,847.40/x
  3. Step 3: Cross multiply
    702,138.24x = 968,946.78 × 379,847.40
  4. Step 4: Simplify right side
    702,138.24x = 368,051,915,121.37
  5. Step 5: Solve for x
    x = 368,051,915,121.37/702,138.24
  6. Step 6: Final answer
    x = 524,187.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.